Why is my jeep grand Cherokee Laredo stalls out and backfire and sometimes it

What is your question?

Why does my jeep run like a champ come home eat gi get in and won't start sometimes backfire and sputters and cuts out and dies doesn't start right away

What makes this problem better or worse?

After it warms up

How long has your 1997 Jeep Grand Cherokee had this problem?

A few weeks